楔状构造则可能是冰缘环境的冰楔体融化泄水的结果；
Wedge-shaped structure which is isolated from massive diamictite may be filled with the decay of an ice wedge in periglacial environment.
在过去认为不会有冰楔活动的地区，发现了新生的和正在活动的冰楔。
A large number of ice wedges have been found active in the environment that convertionally would be regarded as too warm for thermal contraction cracking and ice wedge development.
冰楔可以深深穿入冰冻的土壤，将冻原雕凿成一个个如房间大小的多角地裂块，是永冻层景观的一个特征。
Ice wedges penetrate deep into frozen soil, chiseling tundra into room-size polygon-a signature texture of permafrost landscapes.
冰楔可以深深穿入冰冻的土壤，将冻原雕凿成一个个如房间大小的多角地裂块，是永冻层景观的一个特征。
Ice wedges penetrate deep into frozen soil, chiseling tundra into room-size polygon-a signature texture of permafrost landscapes.
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